Fuel injection control device
AssigneeSanshin Kogyo Kabushiki Kaisha
InventorsMiyoshi Ishibashi, Shiochiro Miyata
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Abstract
An electrical supply and switching circuit for the electrical fuel injectors of a fuel injection engine wherein a separate voltage supply circuit is provided for both the control circuit and driver circuit to minimize the effects of noise.
Claims5
A fuel injection control and drive circuit for an electrically operated fuel injector for an internal combustion engine comprising a battery, a control circuit for providing a control signal for the operation of said fuel injector, a driver circuit for providing the electrical power for operating said fuel injector, said driver circuit being switched by said control circuit, a first electrical power source circuit connected directly to said battery to provide a controlled source of electricity for said control circuit, and a second electrical power source circuit connected directly to said battery and separately from said first electrical power source circuit for providing electrical power to said driver circuit without influence from said first electrical power source circuit.
Dependencies are inferred from the claim text.